Shellcode Injection via CreateThreadpoolWait Process Manipulating

Shellcode injection is a technique used by malware to execute arbitrary code within the context of a targeted process. One method of achieving this is through the use of the CreateThreadpoolWait function, which is a part of the Windows thread pool API.

In the context of shellcode injection, CreateThreadpoolWait is used to create a wait object that is associated …

MPRESS Packers

MPRESS is a free packer. It makes programs and libraries smaller, and decrease start time when the application loaded from a slow removable media or from the network.

It uses in-place decompression technique, which allows to decompress the executable without memory overhead or other drawbacks; it also protects programs against reverse engineering by non-professional hackers. Programs compressed with MPRESS …

Themida Packers

Themida is a commercial known packer that embeds several features including anti-debugging, virtual machine emulation, encryption...

Anti-debugger techniques that detect/fool any kind of debugger
Anti-memory dumpers techniques for any Ring3 and Ring0 dumpers
Different encryption algorithms and keys in each protected application
Anti-API scanners techniques that avoids reconstruction …

Alienyze Packers

Alienyze is a software packer designed to compress executable files, allowing them to reduce the file size of their software as much as possible.

Anti-Debugger techniques that detect and fool present debuggers
Anti-VM techniques that detect sandbox & virtualized environments
Protection from disassemblers and software analysis tools
Hardware …

ConfuserEx Packers

ConfuserEx is a open-source protector for .NET applications. It is the successor of Confuser project. It's primarily designed to make reverse engineering difficult for applications written in .NET languages like C# and VB.NET. ConfuserEx does this by using a variety of techniques like symbol renaming, control flow obfuscation, and encryption of strings and resources.

Supports .NET …

.Net Reactor Packers

.NET Reactor is used to prevent reverse engineering by adding different protection layers to .NET assemblies. Beside standard obfuscation techniques it includes special features like NecroBit, Virtualization, x86 Code Generation or Anti Tampering.

DTPacker Packers

DTPacker is a .NET packer or downloader which although seeing considerable variety in the first stage, uses a second stage with a fixed password as part of the decoding.

The main difference between a packer and a downloader is the location of the payload data which is embedded in the former and downloaded in the latter. DTPacker uses both …

NLS Code Injection Through Registry Process Manipulating

Dll injection through registry modification of NLS code page ID is a technique used by malware to inject a malicious DLL into a process by modifying the NLS code page ID in the registry.

There are two ways to accomplish this technique: 1. Calling the SetThreadLocale function and setting up an export function named NlsDllCodePageTranslation, where the main …

Windows Event Log Evasion via Native APIs Anti-Forensic

Attackers can leverage native Windows API calls to install malicious services without generating correlating entries in the event log. Using native APIs to install services instead of the standard API calls allow attackers to bypass security controls and event logging. This technique was utilised by Stuxnet.

Services are typically created through a standard Windows API call CreateServiceA or CreateService …

FLIRT Signatures Evasion Anti-Disassembly

FLIRT Signature evasion is a technique used by malware to hide malicious code inside legitimate functions from known libraries. FLIRT (Fast Library Identification and Recognition Technology) is a database that contains signature patterns for identifying known functions from legitimate libraries.

Malware authors can abuse these signatures by modifying or adding specific bytes to the code, so that it appears …

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